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pincushion distortion

 
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mike_gentile



Joined: 03 May 2005
Posts: 38
Location: Laguna Niguel
PostPosted: Wed Oct 07, 2009 3:09 pm    Post subject: pincushion distortion Reply with quote
i was listening to a vfx podcast and they mentioned they used syntheyes on district 9. they were talking about pincushion distortion and "modeling" it. what does that mean? modeling pincushion distortion?
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GraphicsKid



Joined: 25 May 2009
Posts: 481
PostPosted: Wed Oct 07, 2009 3:48 pm    Post subject: Reply with quote
Where can I listen to it as well? It'll help to listen to the context they say that in.
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mike_gentile



Joined: 03 May 2005
Posts: 38
Location: Laguna Niguel
PostPosted: Wed Oct 07, 2009 10:12 pm    Post subject: Reply with quote
http://thevfxshow.libsyn.com/index.php?post_id=499299#
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rtep



Joined: 12 Mar 2008
Posts: 142
Location: at the moment its Munich
PostPosted: Mon Oct 12, 2009 8:15 am    Post subject: Reply with quote
pincuishin distortion is not any special distortion, it's just the opposite of barrel so corners are pulled out in image and it's understorting by pulling corners in... it's actually cool because you don't need fit scaling or expanding when udistorting plates... We got in 95% of shots on current show...

I didn't listen to it yet but I will guess:
by modeling it they just mean finding the value
of course they may be much more to it, you never know...
I will listen to it later
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